import auth from '@/plugins/auth'
import router, {constantRoutes, dynamicRoutes} from '@/router'
import {getRouters} from '@/api/menu'
import Layout from '@/layout/index.vue'
import ParentView from '@/components/ParentView/index.vue'
import InnerLink from '@/layout/components/InnerLink/index.vue'
import { defineStore } from "pinia";

// 匹配views里面所有的.vue文件
const modules: any = import.meta.glob('./../../views/**/*.vue')

const usePermissionStore: any = defineStore(
    'permission',
    {
        state: () => ({
            routes: [],
            addRoutes: [],
            defaultRoutes: [],
            topbarRouters: [],
            sidebarRouters: []
        }),
        actions: {
            setRoutes(routes: any) {
                this.addRoutes = routes
                this.routes = constantRoutes.concat(routes)
            },
            setDefaultRoutes(routes: any) {
                this.defaultRoutes = constantRoutes.concat(routes)
            },
            setTopbarRoutes(routes: any) {
                this.topbarRouters = routes
            },
            setSidebarRouters(routes: any) {
                this.sidebarRouters = routes
            },
            generateRoutes() {
                return new Promise((resolve: any) => {
                    // 向后端请求路由数据
                    getRouters().then((res: any) => {
                        const sdata: any = JSON.parse(JSON.stringify(res.data))
                        const rdata: any = JSON.parse(JSON.stringify(res.data))
                        const defaultData: any = JSON.parse(JSON.stringify(res.data))
                        const sidebarRoutes: any = filterAsyncRouter(sdata)
                        const rewriteRoutes: any = filterAsyncRouter(rdata, false, true)
                        const defaultRoutes: any = filterAsyncRouter(defaultData)
                        const asyncRoutes: any = filterDynamicRoutes(dynamicRoutes)
                        asyncRoutes.forEach((route: any) => {
                            router.addRoute(route)
                        })
                        this.setRoutes(rewriteRoutes)
                        this.setSidebarRouters(constantRoutes.concat(sidebarRoutes))
                        this.setDefaultRoutes(sidebarRoutes)
                        this.setTopbarRoutes(defaultRoutes)
                        resolve(rewriteRoutes)
                    }).catch((err: any) => {
                        console.error(err)
                        resolve([])
                    })
                })
            }
        }
    })

// 遍历后台传来的路由字符串，转换为组件对象
function filterAsyncRouter(asyncRouterMap: any, lastRouter: any = false, type: any = false): any {
    return asyncRouterMap.filter((route: any) => {
        if (type && route.children) {
            route.children = filterChildren(route.children)
        }
        if (route.component) {
            // Layout ParentView 组件特殊处理
            if (route.component === 'Layout') {
                route.component = Layout
            } else if (route.component === 'ParentView') {
                route.component = ParentView
            } else if (route.component === 'InnerLink') {
                route.component = InnerLink
            } else {
                route.component = loadView(route.component)
            }
        }
        if (route.children != null && route.children && route.children.length) {
            route.children = filterAsyncRouter(route.children, route, type)
        } else {
            delete route['children']
            delete route['redirect']
        }
        return true
    })
}

function filterChildren(childrenMap: any, lastRouter: any = false): any {
    let children: any = [];
    childrenMap.forEach((el: any, index: any) => {
        if (el.children && el.children.length) {
            if (el.component === 'ParentView' && !lastRouter) {
                el.children.forEach((c: any) => {
                    c.path = el.path + '/' + c.path
                    if (c.children && c.children.length) {
                        children = children.concat(filterChildren(c.children, c))
                        return
                    }
                    children.push(c)
                })
                return
            }
        }
        if (lastRouter) {
            el.path = lastRouter.path + '/' + el.path
            if (el.children && el.children.length) {
                children = children.concat(filterChildren(el.children, el))
                return
            }
        }
        children = children.concat(el)
    })
    return children
}

// 动态路由遍历，验证是否具备权限
export function filterDynamicRoutes(routes: any): any {
    const res: any = []
    routes.forEach((route: any) => {
        if (route.permissions) {
            if (auth.hasPermiOr(route.permissions)) {
                res.push(route)
            }
        } else if (route.roles) {
            if (auth.hasRoleOr(route.roles)) {
                res.push(route)
            }
        }
    })
    return res
}

export const loadView: any = (view: any) => {
    let res;
    for (const path in modules) {
        const dir: any = path.split('views/')[1].split('.vue')[0];
        if (dir === view) {
            res = () => modules[path]();
        }
    }
    return res;
}

export default usePermissionStore
